The red version of the Sennheiser CX 3.00 Earphones offer an ultra compact ear canal coupling design with a dynamic transducer to deliver enhanced bass with a frequency response of 17 to 21000 Hz a THD of less than 0.5% and a maximum SPL of 118 dB. The earphones feature a right angle 1/8" (3.5mm) plug for connecting to your mobile device. They come with a carrying case and a set of four (XS S M L) ear adapters to accommodate ear canals of different sizes.

• Earphones with detailed sound and enhanced bass
• Optimum fit in the ear canals and high attenuation of ambient noise
• 4 ear adapter sizes (XS S M L) for effective noise blocking
• Elliptical and tangle free cable
• Convenient carry case included
• Frequency response: 17Hz - 21kHz
• Sound pressure level (SPL): 118 dB
• Jack plug: 3.5 mm
• Cable length: 1.2 m